Which of the Following Membrane Activities Requires Energy from ATP

question 38

Multiple Choice

Which of the following membrane activities requires energy from ATP hydrolysis?

• A) Facilitated diffusion of chloride ions across the membrane through a chloride channel.
• B) Movement of Na⁺ ions from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid.
• C) Movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than inside the cell.
• D) Movement of carbon dioxide out of a paramecium.

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